Everything About Semi Trucks in United States-Infographic
The United States economy depends on trucks to deliver nearly 70% of all freight transported annually in the US accounting for $671 Billion worth of manufactured and retail goods transported by truck in the US alone. Nearly 1.6 Million trucking jobs were created in 2010 by the US truck industry.
It's interesting to note that every year semi trucks in the United States consume more than 50 Billion gallons of fuel to deliver goods. The driver of truck should be at least 21 years old, and have high school diploma. Average salary of truck driver is $ 37,770 per year.